Rent

It is fine. But if the taxable income (if any from other sources) exceeds the exemption limit for the purpose of IT, then you might have to declare this income as per provisions.

no issue but care fully check your other income it is taxable or not

As Poornima rightly said it must exceed the IT Limit of exemption.

As Poornima rightly said it must exceed the IT Limit of exemption.